CPP: Add a test of NonPortablePrintf.ql.

Author: geoffw0

cpp/ql/test/query-tests/Likely Bugs/Memory Management/Padding/NonPortablePrintf/NonPortablePrintf.expected

@@ -0,0 +1,4 @@
+| test.cpp:10:17:10:17 | l | This argument should be of type int but is of type long (which changes size from 32 to 64 on 64-bit systems). |
+| test.cpp:13:17:13:19 | ptr | This argument should be of type int but is of type void * (which changes size from 32 to 64 on 64-bit systems). |
+| test.cpp:14:17:14:19 | ptr | This argument should be of type unsigned int but is of type void * (which changes size from 32 to 64 on 64-bit systems). |
+| test.cpp:15:17:15:19 | ptr | This argument should be of type unsigned int but is of type void * (which changes size from 32 to 64 on 64-bit systems). |

cpp/ql/test/query-tests/Likely Bugs/Memory Management/Padding/NonPortablePrintf/NonPortablePrintf.qlref

@@ -0,0 +1 @@
+Likely Bugs/Memory Management/Padding/NonPortablePrintf.ql

cpp/ql/test/query-tests/Likely Bugs/Memory Management/Padding/NonPortablePrintf/test.cpp

@@ -0,0 +1,16 @@
+
+int printf(const char *format, ...);
+
+void test1()
+{
+	long l;
+	void *ptr;
+
+	printf("%l\n", l); // GOOD
+	printf("%d\n", l); // BAD
+
+	printf("%p\n", ptr); // GOOD
+	printf("%d\n", ptr); // BAD
+	printf("%u\n", ptr); // BAD
+	printf("%x\n", ptr); // BAD
+}